particularly mining metallurgical coal
... metallurgical coal concentrate 炼焦精煤 Particularly Mining Metallurgical Coal 尤其开采冶金煤 furnace coal,metallurgical coal 冶金煤<能> ...
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particularly mining metallurgical coal
特别是开采炼焦煤
以上为机器翻译结果，长、整句建议使用 人工翻译 。